/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Topo/TopologicalEdge.h
After the process: OldVertex is no more connected to this edge but stay connected to its other linked edges If OldVertex is isolated (not connected to any edge), OldVertex is deleted otherwise OldVertex is linked to NewVertex
void ReplaceEdgeVertex ( bool bIsStartVertex, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FTopologicalVertex](API\Runtime\CADKernel\CADKernel\Topo\FTopologicalVertex) > & NewVertex )